package com.example.demo.service;

import com.example.demo.entity.User;
import java.util.Optional;

/**
 * Created with IntelliJ IDEA.
 *
 * @Author: chentl
 * @Date: 2025/07/12/18:20
 * @Description:
 */
public interface UserService {
    User createUser(User user);
    Optional<User> getUserById(Long id);
}
